Test: new randomized stress tester for #3343 alike bugs.
Test: new randomized stress tester for #3343 alike bugs.

4396/redis,xuguruogu/redis,pedigree/redis,xuguruogu/redis,pedigree/redis,xuguruogu/redis,pedigree/redis,4396/redis,4396/redis,4396/redis,pedigree/redis,xuguruogu/redis